Properties

Label 8005.8
Modulus $8005$
Conductor $8005$
Order $400$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8005, base_ring=CyclotomicField(400))
 
M = H._module
 
chi = DirichletCharacter(H, M([300,39]))
 
pari: [g,chi] = znchar(Mod(8,8005))
 

Basic properties

Modulus: \(8005\)
Conductor: \(8005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(400\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8005.cr

\(\chi_{8005}(2,\cdot)\) \(\chi_{8005}(8,\cdot)\) \(\chi_{8005}(58,\cdot)\) \(\chi_{8005}(62,\cdot)\) \(\chi_{8005}(128,\cdot)\) \(\chi_{8005}(187,\cdot)\) \(\chi_{8005}(232,\cdot)\) \(\chi_{8005}(308,\cdot)\) \(\chi_{8005}(438,\cdot)\) \(\chi_{8005}(488,\cdot)\) \(\chi_{8005}(512,\cdot)\) \(\chi_{8005}(573,\cdot)\) \(\chi_{8005}(673,\cdot)\) \(\chi_{8005}(717,\cdot)\) \(\chi_{8005}(722,\cdot)\) \(\chi_{8005}(928,\cdot)\) \(\chi_{8005}(992,\cdot)\) \(\chi_{8005}(1028,\cdot)\) \(\chi_{8005}(1113,\cdot)\) \(\chi_{8005}(1163,\cdot)\) \(\chi_{8005}(1232,\cdot)\) \(\chi_{8005}(1237,\cdot)\) \(\chi_{8005}(1293,\cdot)\) \(\chi_{8005}(1397,\cdot)\) \(\chi_{8005}(1473,\cdot)\) \(\chi_{8005}(1517,\cdot)\) \(\chi_{8005}(1543,\cdot)\) \(\chi_{8005}(1593,\cdot)\) \(\chi_{8005}(1682,\cdot)\) \(\chi_{8005}(1707,\cdot)\) ...

sage: chi.galois_orbit()
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: $\Q(\zeta_{400})$
Fixed field: Number field defined by a degree 400 polynomial (not computed)

Values on generators

\((1602,4806)\) → \((-i,e\left(\frac{39}{400}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 8005 }(8, a) \) \(-1\)\(1\)\(e\left(\frac{41}{50}\right)\)\(e\left(\frac{139}{400}\right)\)\(e\left(\frac{16}{25}\right)\)\(e\left(\frac{67}{400}\right)\)\(e\left(\frac{393}{400}\right)\)\(e\left(\frac{23}{50}\right)\)\(e\left(\frac{139}{200}\right)\)\(e\left(\frac{287}{400}\right)\)\(e\left(\frac{79}{80}\right)\)\(e\left(\frac{3}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8005 }(8,a) \;\) at \(\;a = \) e.g. 2